52V 2.5A POE交换机电源

2. 电气规格 Electrical Specification  

2.1 AC输入 AC Input 

2.1.1输入电压 Input Voltage

表格1 ：列举AC输入电压范围，在此电压范围内，电源应正常工作并符合所有电气性能要求。

Table 1: Lists the AC input operating voltage range. The power shall work normally and meet all electrical requirements throughout this range.

表格1：AC 输入电压限值  Table 1: AC Input Voltage Limitations  

2.1.2输入频率 Input Frequency

表格2 ：列举AC输入频率范围，在此频率范围内，电源应正常工作并符合所有电气性能要求。

Table 2: List the AC input operating frequency range. The power shall work normally and meet all electrical requirements throughout this range.

Table 2:  AC Input Frequency Limitations  AC 输入频率限值

2.1.3冲击电流 Inrush Current  

冲击电流峰值在额定电压输入，冷启动（25℃）时，不大于30A;且在任何负载和输入条件下，不导致永久性损坏或危险，输入电压的定义见表格1.

Peak inrush current shall be limited to 30A of rated input voltage and cold start at 25 degrees C, and shall not result in a permanent damage of the power supply under any conditions of load and input voltage as specified at any input voltage as specified in table 1.

2.1.4最大输入电流Input Current Limiting

在输入电压最小值，负载为满载条件下，最大输入电流不大于 3.0A。

The input current should be less than 3.0A, under minimum AC input and full load.

2.1.5输出功率 output rating

电源最大输出功率：130W

Maximum power output：130W

2.2输出规格Output Specification 

2.2.1电压调整率DC Voltage Regulation 

在输出端子量测的电压需符合表格3中标示的调整范围。

电压调整的限值不包括2.2.4节中要求的DC 负载瞬态变化。

The DC output voltages will remain within the regulation ranges shown in Table 5 when measured ate the load end of the output connectors.

The voltage regulation limits do not include the transient DC load changes, which are covered in Section 3.2.4.

表格3：输出电压调整限值    Table 3:  DC Output voltage regulation limits

2.2.2输出电流DC Output Current 

表格4：输出电流限值      Table4: DC output current limits